I had my cartilage pierced 6months ago it bled and i have a keloid?

right so i had my cartilage pierced on 20th march 2010 and well its been fine up untill i found a bump on the back of my ear i searched it on internet and told me i had a keloid i went back to where i had it pierced so they could look at it and they said its gathered a keloid in which i took it out because i cleaned it after 4-5months and well it was quite alot swollen :( i take it out every now and then to clean it properly i just litterly took it out and i use a cottonbud and seasalt in luke warm water and put a lid of tcp in it for the first time and on the cotton bud there was blood :/ not much but some a couple of times ive had to pierce through the frount of it bcus i cant find the whole shall i just clean around it and not take it out ? im using my own earring atm back to frount because it will dig in and the ball on the one i had it pierced with went missing :( so i used my own sometimes it hurts and sometimes it doesnt sometimes i can sleep on it sometimes i cant :( what do i do Much help needed so worried xxxx